17 files changed, 3008 insertions, 0 deletions
diff --git a/ucb/source/ucp/gio/gio_content.cxx b/ucb/source/ucp/gio/gio_content.cxx
new file mode 100644
index 000000000..857671397
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_content.cxx
@@ -0,0 +1,1336 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <utility>
+
+#include <string.h>
+#include <sys/types.h>
+#include <sal/macros.h>
+#include <osl/time.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/beans/IllegalTypeException.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/beans/XPropertySetInfo.hpp>
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/XActiveDataSink.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/lang/IllegalAccessException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/ucb/ContentInfoAttribute.hpp>
+#include <com/sun/star/ucb/InsertCommandArgument.hpp>
+#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
+#include <com/sun/star/ucb/InteractiveNetworkGeneralException.hpp>
+#include <com/sun/star/ucb/InteractiveNetworkResolveNameException.hpp>
+#include <com/sun/star/ucb/NameClashException.hpp>
+#include <com/sun/star/ucb/OpenMode.hpp>
+#include <com/sun/star/ucb/XCommandInfo.hpp>
+#include <com/sun/star/ucb/MissingInputStreamException.hpp>
+#include <com/sun/star/ucb/UnsupportedCommandException.hpp>
+#include <com/sun/star/ucb/UnsupportedDataSinkException.hpp>
+#include <com/sun/star/ucb/UnsupportedOpenModeException.hpp>
+#include <com/sun/star/ucb/XDynamicResultSet.hpp>
+#include <com/sun/star/ucb/XContentCreator.hpp>
+
+#include <comphelper/seekableinput.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <ucbhelper/contentidentifier.hxx>
+#include <ucbhelper/propertyvalueset.hxx>
+#include <ucbhelper/cancelcommandexecution.hxx>
+#include <ucbhelper/macros.hxx>
+#include <vcl/svapp.hxx>
+
+#include "gio_content.hxx"
+#include "gio_provider.hxx"
+#include "gio_resultset.hxx"
+#include "gio_inputstream.hxx"
+#include "gio_outputstream.hxx"
+#include "gio_mount.hxx"
+
+namespace gio
+{
+
+Content::Content(
+    const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+    ContentProvider* pProvider,
+    const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier)
+    : ContentImplHelper( rxContext, pProvider, Identifier ),
+      m_pProvider( pProvider ), mpFile (nullptr), mpInfo( nullptr ), mbTransient(false)
+{
+    SAL_INFO("ucb.ucp.gio", "New Content ('" << m_xIdentifier->getContentIdentifier() << "')");
+}
+
+Content::Content(
+    const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+    ContentProvider* pProvider,
+    const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier,
+    bool bIsFolder)
+    : ContentImplHelper( rxContext, pProvider, Identifier ),
+      m_pProvider( pProvider ), mpFile (nullptr), mpInfo( nullptr ), mbTransient(true)
+{
+    SAL_INFO("ucb.ucp.gio", "Create Content ('" << m_xIdentifier->getContentIdentifier() << "')");
+    mpInfo = g_file_info_new();
+    g_file_info_set_file_type(mpInfo, bIsFolder ? G_FILE_TYPE_DIRECTORY : G_FILE_TYPE_REGULAR);
+}
+
+Content::~Content()
+{
+    if (mpInfo) g_object_unref(mpInfo);
+    if (mpFile) g_object_unref(mpFile);
+}
+
+OUString Content::getParentURL()
+{
+    OUString sURL;
+    if (GFile* pFile = g_file_get_parent(getGFile()))
+    {
+        char* pPath = g_file_get_uri(pFile);
+        g_object_unref(pFile);
+        sURL = OUString::createFromAscii(pPath);
+        g_free(pPath);
+    }
+    return sURL;
+}
+
+void SAL_CALL Content::abort( sal_Int32 /*CommandId*/ )
+{
+    //TODO
+    //stick a map from each CommandId to a new GCancellable and propagate
+    //it throughout the g_file_* calls
+}
+
+OUString SAL_CALL Content::getContentType()
+{
+    return isFolder(css::uno::Reference< css::ucb::XCommandEnvironment >())
+        ? OUString( GIO_FOLDER_TYPE )
+        : OUString( GIO_FILE_TYPE );
+}
+
+#define EXCEPT(aExcept) \
+do { \
+    if (bThrow) throw aExcept;\
+    aRet <<= aExcept;\
+} while(false)
+
+css::uno::Any convertToException(GError *pError, const css::uno::Reference< css::uno::XInterface >& rContext, bool bThrow)
+{
+    css::uno::Any aRet;
+
+    gint eCode = pError->code;
+    OUString sMessage(pError->message, strlen(pError->message), RTL_TEXTENCODING_UTF8);
+    g_error_free(pError);
+
+    OUString sName;
+
+    css::uno::Sequence< css::uno::Any > aArgs( 1 );
+    aArgs[ 0 ] <<= sName;
+
+    switch (eCode)
+    {
+        case G_IO_ERROR_FAILED:
+            { css::io::IOException aExcept(sMessage, rContext);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NOT_MOUNTED:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NOT_EXISTING_PATH, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NOT_FOUND:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NOT_EXISTING, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_EXISTS:
+            { css::ucb::NameClashException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, sName);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_INVALID_ARGUMENT:
+            { css::lang::IllegalArgumentException aExcept(sMessage, rContext, -1 );
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_PERMISSION_DENIED:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_ACCESS_DENIED, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_IS_DIRECTORY:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NO_FILE, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NOT_REGULAR_FILE:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NO_FILE, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NOT_DIRECTORY:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NO_DIRECTORY, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_FILENAME_TOO_LONG:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NAME_TOO_LONG, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_FAILED_HANDLED: /* Operation failed and a helper program
+                                           has already interacted with the user. Do not display any error
+                                           dialog */
+        case G_IO_ERROR_PENDING:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_PENDING, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_CLOSED:
+        case G_IO_ERROR_CANCELLED:
+        case G_IO_ERROR_TOO_MANY_LINKS:
+        case G_IO_ERROR_WRONG_ETAG:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_GENERAL, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NOT_SUPPORTED:
+        case G_IO_ERROR_CANT_CREATE_BACKUP:
+        case G_IO_ERROR_WOULD_MERGE:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_NOT_SUPPORTED, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_NO_SPACE:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_OUT_OF_DISK_SPACE, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_INVALID_FILENAME:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_INVALID_CHARACTER, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_READ_ONLY:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_WRITE_PROTECTED, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_TIMED_OUT:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_DEVICE_NOT_READY, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_WOULD_RECURSE:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_RECURSIVE, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_BUSY:
+        case G_IO_ERROR_WOULD_BLOCK:
+            { css::ucb::InteractiveAugmentedIOException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, css::ucb::IOErrorCode_LOCKING_VIOLATION, aArgs);
+              EXCEPT(aExcept); }
+            break;
+        case G_IO_ERROR_HOST_NOT_FOUND:
+            { css::ucb::InteractiveNetworkResolveNameException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR, OUString());
+              EXCEPT(aExcept);}
+            break;
+        default:
+        case G_IO_ERROR_ALREADY_MOUNTED:
+        case G_IO_ERROR_NOT_EMPTY:
+        case G_IO_ERROR_NOT_SYMBOLIC_LINK:
+        case G_IO_ERROR_NOT_MOUNTABLE_FILE:
+            { css::ucb::InteractiveNetworkGeneralException aExcept(sMessage, rContext,
+                css::task::InteractionClassification_ERROR);
+              EXCEPT(aExcept);}
+            break;
+    }
+    return aRet;
+}
+
+void convertToIOException(GError *pError, const css::uno::Reference< css::uno::XInterface >& rContext)
+{
+    try
+    {
+        convertToException(pError, rContext);
+    }
+    catch (const css::io::IOException&)
+    {
+        throw;
+    }
+    catch (const css::uno::RuntimeException&)
+    {
+        throw;
+    }
+    catch (const css::uno::Exception& e)
+    {
+        css::uno::Any a(cppu::getCaughtException());
+        throw css::lang::WrappedTargetRuntimeException(
+            "wrapped Exception " + e.Message,
+            css::uno::Reference<css::uno::XInterface>(), a);
+    }
+}
+
+css::uno::Any Content::mapGIOError( GError *pError )
+{
+    if (!pError)
+        return getBadArgExcept();
+
+    return convertToException(pError, static_cast< cppu::OWeakObject * >(this), false);
+}
+
+css::uno::Any Content::getBadArgExcept()
+{
+    return css::uno::makeAny( css::lang::IllegalArgumentException(
+        "Wrong argument type!",
+        static_cast< cppu::OWeakObject * >( this ), -1) );
+}
+
+namespace {
+
+class MountOperation
+{
+    ucb::ucp::gio::glib::MainContextRef mContext;
+    GMainLoop *mpLoop;
+    GMountOperation *mpAuthentication;
+    GError *mpError;
+    static void Completed(GObject *source, GAsyncResult *res, gpointer user_data);
+public:
+    explicit MountOperation(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv);
+    ~MountOperation();
+    GError *Mount(GFile *pFile);
+};
+
+}
+
+MountOperation::MountOperation(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv) : mpError(nullptr)
+{
+    ucb::ucp::gio::glib::MainContextRef oldContext(g_main_context_ref_thread_default());
+    mContext.reset(g_main_context_new());
+    mpLoop = g_main_loop_new(mContext.get(), FALSE);
+    g_main_context_push_thread_default(mContext.get());
+    mpAuthentication = ooo_mount_operation_new(std::move(oldContext), xEnv);
+}
+
+void MountOperation::Completed(GObject *source, GAsyncResult *res, gpointer user_data)
+{
+    MountOperation *pThis = static_cast<MountOperation*>(user_data);
+    g_file_mount_enclosing_volume_finish(G_FILE(source), res, &(pThis->mpError));
+    g_main_loop_quit(pThis->mpLoop);
+}
+
+GError *MountOperation::Mount(GFile *pFile)
+{
+    g_file_mount_enclosing_volume(pFile, G_MOUNT_MOUNT_NONE, mpAuthentication, nullptr, MountOperation::Completed, this);
+    {
+        //HACK: At least the gdk_threads_set_lock_functions(GdkThreadsEnter,
+        // GdkThreadsLeave) call in vcl/unx/gtk/app/gtkinst.cxx will lead to
+        // GdkThreadsLeave unlock the SolarMutex down to zero at the end of
+        // g_main_loop_run, so we need ~SolarMutexReleaser to raise it back to
+        // the original value again:
+        if (comphelper::SolarMutex::get()->IsCurrentThread())
+        {
+            SolarMutexReleaser rel;
+            g_main_loop_run(mpLoop);
+        }
+        else
+        {
+            g_main_loop_run(mpLoop);
+        }
+    }
+    return mpError;
+}
+
+MountOperation::~MountOperation()
+{
+    g_object_unref(mpAuthentication);
+    g_main_context_pop_thread_default(mContext.get());
+    g_main_loop_unref(mpLoop);
+}
+
+GFileInfo* Content::getGFileInfo(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv, GError **ppError)
+{
+    GError * err = nullptr;
+    if (mpInfo == nullptr && !mbTransient) {
+        for (bool retried = false;; retried = true) {
+            mpInfo = g_file_query_info(
+                getGFile(), "*", G_FILE_QUERY_INFO_NONE, nullptr, &err);
+            if (mpInfo != nullptr) {
+                break;
+            }
+            assert(err != nullptr);
+            if (err->code != G_IO_ERROR_NOT_MOUNTED || retried) {
+                break;
+            }
+            SAL_INFO(
+                "ucb.ucp.gio",
+                "G_IO_ERROR_NOT_MOUNTED \"" << err->message
+                    << "\", trying to mount");
+            g_error_free(err);
+            err = MountOperation(xEnv).Mount(getGFile());
+            if (err != nullptr) {
+                break;
+            }
+        }
+    }
+    if (ppError != nullptr) {
+        *ppError = err;
+    } else if (err != nullptr) {
+        SAL_WARN(
+            "ucb.ucp.gio",
+            "ignoring GError \"" << err->message << "\" for <"
+                << m_xIdentifier->getContentIdentifier() << ">");
+        g_error_free(err);
+    }
+    return mpInfo;
+}
+
+GFile* Content::getGFile()
+{
+    if (!mpFile)
+        mpFile = g_file_new_for_uri(OUStringToOString(m_xIdentifier->getContentIdentifier(), RTL_TEXTENCODING_UTF8).getStr());
+    return mpFile;
+}
+
+bool Content::isFolder(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv)
+{
+    GFileInfo *pInfo = getGFileInfo(xEnv);
+    return pInfo && (g_file_info_get_file_type(pInfo) == G_FILE_TYPE_DIRECTORY);
+}
+
+static css::util::DateTime getDateFromUnix (time_t t)
+{
+    TimeValue tv;
+    tv.Nanosec = 0;
+    tv.Seconds = t;
+    oslDateTime dt;
+
+    if ( osl_getDateTimeFromTimeValue( &tv, &dt ) )
+        return css::util::DateTime( 0, dt.Seconds, dt.Minutes, dt.Hours,
+                   dt.Day, dt.Month, dt.Year, false);
+    else
+        return css::util::DateTime();
+}
+
+css::uno::Reference< css::sdbc::XRow > Content::getPropertyValues(
+                const css::uno::Sequence< css::beans::Property >& rProperties,
+                const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv )
+{
+    rtl::Reference< ::ucbhelper::PropertyValueSet > xRow = new ::ucbhelper::PropertyValueSet( m_xContext );
+
+    GFileInfo *pInfo = nullptr;
+    for( const css::beans::Property& rProp : rProperties )
+    {
+        if ( rProp.Name == "IsDocument" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_TYPE))
+                xRow->appendBoolean( rProp, ( g_file_info_get_file_type( pInfo ) == G_FILE_TYPE_REGULAR ||
+                                               g_file_info_get_file_type( pInfo ) == G_FILE_TYPE_UNKNOWN ) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "IsFolder" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_STANDARD_TYPE) )
+                xRow->appendBoolean( rProp, ( g_file_info_get_file_type( pInfo ) == G_FILE_TYPE_DIRECTORY ));
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "Title" )
+        {
+            getFileInfo(xEnv, &pInfo, false);
+            if (pInfo != nullptr && g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME))
+            {
+                const char *pName = g_file_info_get_display_name(pInfo);
+                xRow->appendString( rProp, OUString(pName, strlen(pName), RTL_TEXTENCODING_UTF8) );
+            }
+            else
+                xRow->appendVoid(rProp);
+        }
+        else if ( rProp.Name == "IsReadOnly" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE ) )
+                xRow->appendBoolean( rProp, !g_file_info_get_attribute_boolean( pInfo, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "DateCreated" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_TIME_CREATED ) )
+                xRow->appendTimestamp( rProp, getDateFromUnix(g_file_info_get_attribute_uint64(pInfo, G_FILE_ATTRIBUTE_TIME_CREATED)) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "DateModified" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo,  G_FILE_ATTRIBUTE_TIME_CHANGED ) )
+                xRow->appendTimestamp( rProp, getDateFromUnix(g_file_info_get_attribute_uint64(pInfo, G_FILE_ATTRIBUTE_TIME_CHANGED)) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "Size" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_STANDARD_SIZE) )
+                xRow->appendLong( rProp, ( g_file_info_get_size( pInfo ) ));
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "IsVolume" )
+        {
+            //What do we use this for ?
+            xRow->appendBoolean( rProp, false );
+        }
+        else if ( rProp.Name == "IsCompactDisc" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_MOUNTABLE_CAN_EJECT ) )
+                xRow->appendBoolean( rProp, g_file_info_get_attribute_boolean(pInfo, G_FILE_ATTRIBUTE_MOUNTABLE_CAN_EJECT) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "IsRemoveable" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_MOUNTABLE_CAN_UNMOUNT ) )
+                xRow->appendBoolean( rProp, g_file_info_get_attribute_boolean(pInfo, G_FILE_ATTRIBUTE_MOUNTABLE_CAN_UNMOUNT ) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "IsFloppy" )
+        {
+            xRow->appendBoolean( rProp, false );
+        }
+        else if ( rProp.Name == "IsHidden" )
+        {
+            getFileInfo(xEnv, &pInfo, true);
+            if (pInfo != nullptr && g_file_info_has_attribute( pInfo, G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN) )
+                xRow->appendBoolean( rProp, ( g_file_info_get_is_hidden ( pInfo ) ) );
+            else
+                xRow->appendVoid( rProp );
+        }
+        else if ( rProp.Name == "CreatableContentsInfo" )
+        {
+            xRow->appendObject( rProp, css::uno::makeAny( queryCreatableContentsInfo( xEnv ) ) );
+        }
+        else
+        {
+            SAL_WARN(
+                "ucb.ucp.gio",
+                "Looking for unsupported property " << rProp.Name);
+        }
+    }
+
+    return css::uno::Reference< css::sdbc::XRow >( xRow.get() );
+}
+
+static css::lang::IllegalAccessException
+getReadOnlyException( const css::uno::Reference< css::uno::XInterface >& rContext )
+{
+    return css::lang::IllegalAccessException ("Property is read-only!", rContext );
+}
+
+void Content::queryChildren( ContentRefList& rChildren )
+{
+    // Obtain a list with a snapshot of all currently instantiated contents
+    // from provider and extract the contents which are direct children
+    // of this content.
+
+    ucbhelper::ContentRefList aAllContents;
+    m_xProvider->queryExistingContents( aAllContents );
+
+    OUString aURL = m_xIdentifier->getContentIdentifier();
+    sal_Int32 nURLPos = aURL.lastIndexOf( '/' );
+
+    if ( nURLPos != ( aURL.getLength() - 1 ) )
+        aURL += "/";
+
+    sal_Int32 nLen = aURL.getLength();
+
+    for ( const auto& rContent : aAllContents )
+    {
+        ucbhelper::ContentImplHelperRef xChild = rContent;
+        OUString aChildURL = xChild->getIdentifier()->getContentIdentifier();
+
+        // Is aURL a prefix of aChildURL?
+        if ( ( aChildURL.getLength() > nLen ) && aChildURL.startsWith( aURL ) )
+        {
+            sal_Int32 nPos = aChildURL.indexOf( '/', nLen );
+
+            if ( ( nPos == -1 ) || ( nPos == ( aChildURL.getLength() - 1 ) ) )
+            {
+                // No further slashes / only a final slash. It's a child!
+                rChildren.emplace_back(static_cast< ::gio::Content * >(xChild.get() ) );
+            }
+        }
+    }
+}
+
+bool Content::exchangeIdentity( const css::uno::Reference< css::ucb::XContentIdentifier >& xNewId )
+{
+    if ( !xNewId.is() )
+        return false;
+
+    css::uno::Reference< css::ucb::XContent > xThis = this;
+
+    if ( mbTransient )
+    {
+        m_xIdentifier = xNewId;
+        return false;
+    }
+
+    OUString aOldURL = m_xIdentifier->getContentIdentifier();
+
+    // Exchange own identitity.
+    if ( exchange( xNewId ) )
+    {
+        // Process instantiated children...
+        ContentRefList aChildren;
+        queryChildren( aChildren );
+
+        for ( const auto& rChild : aChildren )
+        {
+            ContentRef xChild = rChild;
+
+            // Create new content identifier for the child...
+            css::uno::Reference< css::ucb::XContentIdentifier > xOldChildId = xChild->getIdentifier();
+            OUString aOldChildURL = xOldChildId->getContentIdentifier();
+            OUString aNewChildURL = aOldChildURL.replaceAt(
+                0, aOldURL.getLength(), xNewId->getContentIdentifier() );
+
+            css::uno::Reference< css::ucb::XContentIdentifier > xNewChildId
+                = new ::ucbhelper::ContentIdentifier( aNewChildURL );
+
+            if ( !xChild->exchangeIdentity( xNewChildId ) )
+                return false;
+        }
+        return true;
+    }
+
+    return false;
+}
+
+void Content::getFileInfo(
+    css::uno::Reference<css::ucb::XCommandEnvironment> const & env, GFileInfo ** info, bool fail)
+{
+    assert(info != nullptr);
+    if (*info == nullptr)
+    {
+        GError * err = nullptr;
+        *info = getGFileInfo(env, &err);
+        if (*info == nullptr && !mbTransient && fail)
+        {
+            ucbhelper::cancelCommandExecution(mapGIOError(err), env);
+        }
+        else if (err != nullptr)
+        {
+            g_error_free(err);
+        }
+    }
+}
+
+css::uno::Sequence< css::uno::Any > Content::setPropertyValues(
+    const css::uno::Sequence< css::beans::PropertyValue >& rValues,
+    const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv )
+{
+    GError *pError=nullptr;
+    GFileInfo *pNewInfo=nullptr;
+    GFileInfo *pInfo = getGFileInfo(xEnv, &pError);
+    if (pInfo)
+        pNewInfo = g_file_info_dup(pInfo);
+    else
+    {
+        if (!mbTransient)
+            ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+        else
+        {
+            if (pError)
+                g_error_free(pError);
+            pNewInfo = g_file_info_new();
+        }
+    }
+
+    sal_Int32 nCount = rValues.getLength();
+
+    css::beans::PropertyChangeEvent aEvent;
+    aEvent.Source = static_cast< cppu::OWeakObject * >( this );
+    aEvent.Further = false;
+    aEvent.PropertyHandle = -1;
+
+    sal_Int32 nChanged = 0, nTitlePos = -1;
+    const char *newName = nullptr;
+    css::uno::Sequence< css::beans::PropertyChangeEvent > aChanges(nCount);
+
+    css::uno::Sequence< css::uno::Any > aRet( nCount );
+    const css::beans::PropertyValue* pValues = rValues.getConstArray();
+    for ( sal_Int32 n = 0; n < nCount; ++n )
+    {
+        const css::beans::PropertyValue& rValue = pValues[ n ];
+        SAL_INFO("ucb.ucp.gio", "Set prop '" << rValue.Name << "'");
+        if ( rValue.Name == "ContentType" ||
+             rValue.Name == "MediaType" ||
+             rValue.Name == "IsDocument" ||
+             rValue.Name == "IsFolder" ||
+             rValue.Name == "Size" ||
+             rValue.Name == "CreatableContentsInfo" )
+        {
+            aRet[ n ] <<= getReadOnlyException( static_cast< cppu::OWeakObject * >(this) );
+        }
+        else if ( rValue.Name == "Title" )
+        {
+            OUString aNewTitle;
+            if (!( rValue.Value >>= aNewTitle ))
+            {
+                aRet[ n ] <<= css::beans::IllegalTypeException
+                    ( "Property value has wrong type!",
+                      static_cast< cppu::OWeakObject * >( this ) );
+                continue;
+            }
+
+            if ( aNewTitle.getLength() <= 0 )
+            {
+                aRet[ n ] <<= css::lang::IllegalArgumentException
+                    ( "Empty title not allowed!",
+                      static_cast< cppu::OWeakObject * >( this ), -1 );
+                continue;
+
+            }
+
+            OString sNewTitle = OUStringToOString(aNewTitle, RTL_TEXTENCODING_UTF8);
+            newName = sNewTitle.getStr();
+            const char *oldName = g_file_info_get_name( pInfo);
+
+            if (!newName || !oldName || strcmp(newName, oldName))
+            {
+                SAL_INFO("ucb.ucp.gio", "Set new name to '" << newName << "'");
+
+                aEvent.PropertyName = "Title";
+                if (oldName)
+                    aEvent.OldValue <<= OUString(oldName, strlen(oldName), RTL_TEXTENCODING_UTF8);
+                aEvent.NewValue <<= aNewTitle;
+                aChanges.getArray()[ nChanged ] = aEvent;
+                nTitlePos = nChanged++;
+
+                g_file_info_set_name(pNewInfo, newName);
+            }
+        }
+        else
+        {
+            SAL_WARN("ucb.ucp.gio", "Unknown property " << rValue.Name);
+            aRet[ n ] <<= getReadOnlyException( static_cast< cppu::OWeakObject * >(this) );
+            //TODO
+        }
+    }
+
+    if (nChanged)
+    {
+        bool bOk = true;
+        if (!mbTransient)
+        {
+            if ((bOk = doSetFileInfo(pNewInfo)))
+            {
+                for (sal_Int32 i = 0; i < nChanged; ++i)
+                    aRet[ i ] = getBadArgExcept();
+            }
+        }
+
+        if (bOk)
+        {
+            if (nTitlePos > -1)
+            {
+                OUString aNewURL = getParentURL() +
+                    OUString( newName, strlen(newName), RTL_TEXTENCODING_UTF8 );
+                css::uno::Reference< css::ucb::XContentIdentifier > xNewId
+                    = new ::ucbhelper::ContentIdentifier( aNewURL );
+
+                if (!exchangeIdentity( xNewId ) )
+                {
+                    aRet[ nTitlePos ] <<= css::uno::Exception
+                        ( "Exchange failed!",
+                          static_cast< cppu::OWeakObject * >( this ) );
+                }
+            }
+
+            if (!mbTransient) //Discard and refetch
+            {
+                g_object_unref(mpInfo);
+                mpInfo = nullptr;
+            }
+
+            if (mpInfo)
+            {
+                g_file_info_copy_into(pNewInfo, mpInfo);
+                g_object_unref(pNewInfo);
+            }
+            else
+                mpInfo = pNewInfo;
+
+            if (mpFile) //Discard and refetch
+            {
+                g_object_unref(mpFile);
+                mpFile = nullptr;
+            }
+        }
+
+        aChanges.realloc( nChanged );
+        notifyPropertiesChange( aChanges );
+    }
+
+    return aRet;
+}
+
+bool Content::doSetFileInfo(GFileInfo *pNewInfo)
+{
+    g_assert (!mbTransient);
+
+    bool bOk = true;
+    GFile *pFile = getGFile();
+    if(!g_file_set_attributes_from_info(pFile, pNewInfo, G_FILE_QUERY_INFO_NONE, nullptr, nullptr))
+        bOk = false;
+    return bOk;
+}
+
+const int TRANSFER_BUFFER_SIZE = 65536;
+
+void Content::copyData( const css::uno::Reference< css::io::XInputStream >& xIn,
+    const css::uno::Reference< css::io::XOutputStream >& xOut )
+{
+    css::uno::Sequence< sal_Int8 > theData( TRANSFER_BUFFER_SIZE );
+
+    g_return_if_fail( xIn.is() && xOut.is() );
+
+    while ( xIn->readBytes( theData, TRANSFER_BUFFER_SIZE ) > 0 )
+        xOut->writeBytes( theData );
+
+    xOut->closeOutput();
+}
+
+bool Content::feedSink( const css::uno::Reference< css::uno::XInterface >& xSink )
+{
+    if ( !xSink.is() )
+        return false;
+
+    css::uno::Reference< css::io::XOutputStream > xOut(xSink, css::uno::UNO_QUERY );
+    css::uno::Reference< css::io::XActiveDataSink > xDataSink(xSink, css::uno::UNO_QUERY );
+
+    if ( !xOut.is() && !xDataSink.is() )
+        return false;
+
+    GError *pError=nullptr;
+    GFileInputStream *pStream = g_file_read(getGFile(), nullptr, &pError);
+    if (!pStream)
+       convertToException(pError, static_cast< cppu::OWeakObject * >(this));
+
+    css::uno::Reference< css::io::XInputStream > xIn(
+        new comphelper::OSeekableInputWrapper(
+            new ::gio::InputStream(pStream), m_xContext));
+
+    if ( xOut.is() )
+        copyData( xIn, xOut );
+
+    if ( xDataSink.is() )
+        xDataSink->setInputStream( xIn );
+
+    return true;
+}
+
+css::uno::Any Content::open(const css::ucb::OpenCommandArgument2 & rOpenCommand,
+    const css::uno::Reference< css::ucb::XCommandEnvironment > & xEnv )
+{
+    bool bIsFolder = isFolder(xEnv);
+
+    if (!g_file_query_exists(getGFile(), nullptr))
+    {
+        css::uno::Sequence< css::uno::Any > aArgs( 1 );
+        aArgs[ 0 ] <<= m_xIdentifier->getContentIdentifier();
+        css::uno::Any aErr = css::uno::makeAny(
+            css::ucb::InteractiveAugmentedIOException(OUString(), static_cast< cppu::OWeakObject * >( this ),
+                css::task::InteractionClassification_ERROR,
+                bIsFolder ? css::ucb::IOErrorCode_NOT_EXISTING_PATH : css::ucb::IOErrorCode_NOT_EXISTING, aArgs)
+        );
+
+        ucbhelper::cancelCommandExecution(aErr, xEnv);
+    }
+
+    css::uno::Any aRet;
+
+    bool bOpenFolder = (
+        ( rOpenCommand.Mode == css::ucb::OpenMode::ALL ) ||
+        ( rOpenCommand.Mode == css::ucb::OpenMode::FOLDERS ) ||
+        ( rOpenCommand.Mode == css::ucb::OpenMode::DOCUMENTS )
+     );
+
+    if ( bOpenFolder && bIsFolder )
+    {
+        css::uno::Reference< css::ucb::XDynamicResultSet > xSet
+            = new DynamicResultSet( m_xContext, this, rOpenCommand, xEnv );
+        aRet <<= xSet;
+    }
+    else if ( rOpenCommand.Sink.is() )
+    {
+        if (
+            ( rOpenCommand.Mode == css::ucb::OpenMode::DOCUMENT_SHARE_DENY_NONE ) ||
+            ( rOpenCommand.Mode == css::ucb::OpenMode::DOCUMENT_SHARE_DENY_WRITE )
+           )
+        {
+            ucbhelper::cancelCommandExecution(
+                css::uno::makeAny ( css::ucb::UnsupportedOpenModeException
+                    ( OUString(), static_cast< cppu::OWeakObject * >( this ),
+                      sal_Int16( rOpenCommand.Mode ) ) ),
+                    xEnv );
+        }
+
+        if ( !feedSink( rOpenCommand.Sink ) )
+        {
+            // Note: rOpenCommand.Sink may contain an XStream
+            //       implementation. Support for this type of
+            //       sink is optional...
+            SAL_WARN("ucb.ucp.gio", "Failed to load data from '" << m_xIdentifier->getContentIdentifier() << "'");
+
+            ucbhelper::cancelCommandExecution(
+                css::uno::makeAny (css::ucb::UnsupportedDataSinkException
+                    ( OUString(), static_cast< cppu::OWeakObject * >( this ),
+                      rOpenCommand.Sink ) ),
+                    xEnv );
+        }
+    }
+    else
+        SAL_INFO("ucb.ucp.gio", "Open falling through ...");
+    return aRet;
+}
+
+css::uno::Any SAL_CALL Content::execute(
+        const css::ucb::Command& aCommand,
+        sal_Int32 /*CommandId*/,
+        const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv )
+{
+    SAL_INFO("ucb.ucp.gio", "Content::execute " << aCommand.Name);
+    css::uno::Any aRet;
+
+    if ( aCommand.Name == "getPropertyValues" )
+    {
+        css::uno::Sequence< css::beans::Property > Properties;
+        if ( !( aCommand.Argument >>= Properties ) )
+            ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        aRet <<= getPropertyValues( Properties, xEnv );
+    }
+    else if ( aCommand.Name == "getPropertySetInfo" )
+        aRet <<= getPropertySetInfo( xEnv, false );
+    else if ( aCommand.Name == "getCommandInfo" )
+        aRet <<= getCommandInfo( xEnv, false );
+    else if ( aCommand.Name == "open" )
+    {
+        css::ucb::OpenCommandArgument2 aOpenCommand;
+        if ( !( aCommand.Argument >>= aOpenCommand ) )
+            ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        aRet = open( aOpenCommand, xEnv );
+    }
+    else if ( aCommand.Name == "transfer" )
+    {
+        css::ucb::TransferInfo transferArgs;
+        if ( !( aCommand.Argument >>= transferArgs ) )
+            ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        transfer( transferArgs, xEnv );
+    }
+    else if ( aCommand.Name == "setPropertyValues" )
+    {
+        css::uno::Sequence< css::beans::PropertyValue > aProperties;
+        if ( !( aCommand.Argument >>= aProperties ) || !aProperties.hasElements() )
+            ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        aRet <<= setPropertyValues( aProperties, xEnv );
+    }
+    else if (aCommand.Name == "createNewContent"
+             && isFolder( xEnv ) )
+    {
+        css::ucb::ContentInfo arg;
+        if ( !( aCommand.Argument >>= arg ) )
+                ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        aRet <<= createNewContent( arg );
+    }
+    else if ( aCommand.Name == "insert" )
+    {
+        css::ucb::InsertCommandArgument arg;
+        if ( !( aCommand.Argument >>= arg ) )
+                ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
+        insert( arg.Data, arg.ReplaceExisting, xEnv );
+    }
+    else if ( aCommand.Name == "delete" )
+    {
+        bool bDeletePhysical = false;
+        aCommand.Argument >>= bDeletePhysical;
+
+        //If no delete physical, try and trashcan it, if that doesn't work go
+        //ahead and try and delete it anyway
+        if (!bDeletePhysical && !g_file_trash(getGFile(), nullptr, nullptr))
+                bDeletePhysical = true;
+
+        if (bDeletePhysical)
+        {
+            GError *pError = nullptr;
+            if (!g_file_delete( getGFile(), nullptr, &pError))
+                ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+        }
+
+        destroy( bDeletePhysical );
+    }
+    else
+    {
+        SAL_WARN("ucb.ucp.gio", "Unknown command " << aCommand.Name);
+
+        ucbhelper::cancelCommandExecution
+            ( css::uno::makeAny( css::ucb::UnsupportedCommandException
+              ( OUString(),
+                static_cast< cppu::OWeakObject * >( this ) ) ),
+              xEnv );
+    }
+
+    return aRet;
+}
+
+void Content::destroy( bool bDeletePhysical )
+{
+    css::uno::Reference< css::ucb::XContent > xThis = this;
+
+    deleted();
+
+    ::gio::Content::ContentRefList aChildren;
+    queryChildren( aChildren );
+
+    for ( auto& rChild : aChildren )
+    {
+        rChild->destroy( bDeletePhysical );
+    }
+}
+
+void Content::insert(const css::uno::Reference< css::io::XInputStream > &xInputStream,
+    bool bReplaceExisting, const css::uno::Reference< css::ucb::XCommandEnvironment > &xEnv )
+{
+    GError *pError = nullptr;
+    GFileInfo *pInfo = getGFileInfo(xEnv);
+
+    if ( pInfo &&
+         g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_TYPE) &&
+         g_file_info_get_file_type(pInfo) == G_FILE_TYPE_DIRECTORY )
+    {
+        SAL_INFO("ucb.ucp.gio", "Make directory");
+        if( !g_file_make_directory( getGFile(), nullptr, &pError))
+            ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+        return;
+    }
+
+    if ( !xInputStream.is() )
+    {
+        ucbhelper::cancelCommandExecution( css::uno::makeAny
+            ( css::ucb::MissingInputStreamException
+              ( OUString(), static_cast< cppu::OWeakObject * >( this ) ) ),
+            xEnv );
+    }
+
+    GFileOutputStream* pOutStream = nullptr;
+    if ( bReplaceExisting )
+    {
+        if (!(pOutStream = g_file_replace(getGFile(), nullptr, false, G_FILE_CREATE_PRIVATE, nullptr, &pError)))
+            ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+    }
+    else
+    {
+        if (!(pOutStream = g_file_create (getGFile(), G_FILE_CREATE_PRIVATE, nullptr, &pError)))
+            ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+    }
+
+    css::uno::Reference < css::io::XOutputStream > xOutput = new ::gio::OutputStream(pOutStream);
+    copyData( xInputStream, xOutput );
+
+    if (mbTransient)
+    {
+        mbTransient = false;
+        inserted();
+    }
+}
+
+const GFileCopyFlags DEFAULT_COPYDATA_FLAGS =
+    static_cast<GFileCopyFlags>(G_FILE_COPY_OVERWRITE|G_FILE_COPY_TARGET_DEFAULT_PERMS);
+
+void Content::transfer( const css::ucb::TransferInfo& aTransferInfo, const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv )
+{
+    OUString sDest = m_xIdentifier->getContentIdentifier();
+    if (!sDest.endsWith("/")) {
+        sDest += "/";
+    }
+    if (aTransferInfo.NewTitle.getLength())
+        sDest += aTransferInfo.NewTitle;
+    else
+        sDest += OUString::createFromAscii(g_file_get_basename(getGFile()));
+
+    GFile *pDest = g_file_new_for_uri(OUStringToOString(sDest, RTL_TEXTENCODING_UTF8).getStr());
+    GFile *pSource = g_file_new_for_uri(OUStringToOString(aTransferInfo.SourceURL, RTL_TEXTENCODING_UTF8).getStr());
+
+    bool bSuccess = false;
+    GError *pError = nullptr;
+    if (aTransferInfo.MoveData)
+        bSuccess = g_file_move(pSource, pDest, G_FILE_COPY_OVERWRITE, nullptr, nullptr, nullptr, &pError);
+    else
+        bSuccess = g_file_copy(pSource, pDest, DEFAULT_COPYDATA_FLAGS, nullptr, nullptr, nullptr, &pError);
+    g_object_unref(pSource);
+    g_object_unref(pDest);
+    if (!bSuccess)
+        ucbhelper::cancelCommandExecution(mapGIOError(pError), xEnv);
+}
+
+css::uno::Sequence< css::ucb::ContentInfo > Content::queryCreatableContentsInfo(
+    const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv)
+{
+    if ( isFolder( xEnv ) )
+    {
+        css::uno::Sequence< css::ucb::ContentInfo > seq(2);
+
+        // Minimum set of props we really need
+        css::uno::Sequence< css::beans::Property > props( 1 );
+        props[0] = css::beans::Property(
+            "Title",
+            -1,
+            cppu::UnoType<OUString>::get(),
+            css::beans::PropertyAttribute::MAYBEVOID | css::beans::PropertyAttribute::BOUND );
+
+        // file
+        seq[0].Type       = GIO_FILE_TYPE;
+        seq[0].Attributes = ( css::ucb::ContentInfoAttribute::INSERT_WITH_INPUTSTREAM |
+                              css::ucb::ContentInfoAttribute::KIND_DOCUMENT );
+        seq[0].Properties = props;
+
+        // folder
+        seq[1].Type       = GIO_FOLDER_TYPE;
+        seq[1].Attributes = css::ucb::ContentInfoAttribute::KIND_FOLDER;
+        seq[1].Properties = props;
+
+        return seq;
+    }
+    else
+    {
+        return css::uno::Sequence< css::ucb::ContentInfo >();
+    }
+}
+
+css::uno::Sequence< css::ucb::ContentInfo > SAL_CALL Content::queryCreatableContentsInfo()
+{
+    return queryCreatableContentsInfo( css::uno::Reference< css::ucb::XCommandEnvironment >() );
+}
+
+css::uno::Reference< css::ucb::XContent >
+    SAL_CALL Content::createNewContent( const css::ucb::ContentInfo& Info )
+{
+    bool create_document;
+    const char *name;
+
+    if ( Info.Type == GIO_FILE_TYPE )
+        create_document = true;
+    else if ( Info.Type == GIO_FOLDER_TYPE )
+        create_document = false;
+    else
+    {
+        SAL_WARN("ucb.ucp.gio", "Failed to create new content '" << Info.Type << "'");
+        return css::uno::Reference< css::ucb::XContent >();
+    }
+
+    SAL_INFO("ucb.ucp.gio", "createNewContent (" << create_document << ")");
+    OUString aURL = m_xIdentifier->getContentIdentifier();
+
+    if ( ( aURL.lastIndexOf( '/' ) + 1 ) != aURL.getLength() )
+            aURL += "/";
+
+    name = create_document ? "[New_Content]" : "[New_Collection]";
+    aURL += OUString::createFromAscii( name );
+
+    css::uno::Reference< css::ucb::XContentIdentifier > xId(new ::ucbhelper::ContentIdentifier(aURL));
+
+    try
+    {
+        return new ::gio::Content( m_xContext, m_pProvider, xId, !create_document );
+    } catch ( css::ucb::ContentCreationException & )
+    {
+            return css::uno::Reference< css::ucb::XContent >();
+    }
+}
+
+css::uno::Sequence< css::uno::Type > SAL_CALL Content::getTypes()
+{
+    if ( isFolder( css::uno::Reference< css::ucb::XCommandEnvironment >() ) )
+    {
+        static cppu::OTypeCollection s_aFolderCollection
+            (CPPU_TYPE_REF( css::lang::XTypeProvider ),
+             CPPU_TYPE_REF( css::lang::XServiceInfo ),
+             CPPU_TYPE_REF( css::lang::XComponent ),
+             CPPU_TYPE_REF( css::ucb::XContent ),
+             CPPU_TYPE_REF( css::ucb::XCommandProcessor ),
+             CPPU_TYPE_REF( css::beans::XPropertiesChangeNotifier ),
+             CPPU_TYPE_REF( css::ucb::XCommandInfoChangeNotifier ),
+             CPPU_TYPE_REF( css::beans::XPropertyContainer ),
+             CPPU_TYPE_REF( css::beans::XPropertySetInfoChangeNotifier ),
+             CPPU_TYPE_REF( css::container::XChild ),
+             CPPU_TYPE_REF( css::ucb::XContentCreator ) );
+        return s_aFolderCollection.getTypes();
+    }
+    else
+    {
+        static cppu::OTypeCollection s_aFileCollection
+            (CPPU_TYPE_REF( css::lang::XTypeProvider ),
+             CPPU_TYPE_REF( css::lang::XServiceInfo ),
+             CPPU_TYPE_REF( css::lang::XComponent ),
+             CPPU_TYPE_REF( css::ucb::XContent ),
+             CPPU_TYPE_REF( css::ucb::XCommandProcessor ),
+             CPPU_TYPE_REF( css::beans::XPropertiesChangeNotifier ),
+             CPPU_TYPE_REF( css::ucb::XCommandInfoChangeNotifier ),
+             CPPU_TYPE_REF( css::beans::XPropertyContainer ),
+             CPPU_TYPE_REF( css::beans::XPropertySetInfoChangeNotifier ),
+             CPPU_TYPE_REF( css::container::XChild ) );
+
+        return s_aFileCollection.getTypes();
+    }
+}
+
+css::uno::Sequence< css::beans::Property > Content::getProperties(
+    const css::uno::Reference< css::ucb::XCommandEnvironment > & /*xEnv*/ )
+{
+    static const css::beans::Property aGenericProperties[] =
+    {
+        css::beans::Property( "IsDocument",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "IsFolder",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "Title",
+            -1, cppu::UnoType<OUString>::get(),
+            css::beans::PropertyAttribute::BOUND ),
+        css::beans::Property( "IsReadOnly",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "DateCreated",
+            -1, cppu::UnoType<css::util::DateTime>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "DateModified",
+            -1, cppu::UnoType<css::util::DateTime>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "Size",
+            -1, cppu::UnoType<sal_Int64>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "IsVolume",
+            1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "IsCompactDisc",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "IsRemoveable",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "IsHidden",
+            -1, cppu::UnoType<bool>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY ),
+        css::beans::Property( "CreatableContentsInfo",
+            -1, cppu::UnoType<css::uno::Sequence< css::ucb::ContentInfo >>::get(),
+            css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::READONLY )
+    };
+
+    const int nProps = SAL_N_ELEMENTS(aGenericProperties);
+    return css::uno::Sequence< css::beans::Property > ( aGenericProperties, nProps );
+}
+
+css::uno::Sequence< css::ucb::CommandInfo > Content::getCommands( const css::uno::Reference< css::ucb::XCommandEnvironment > & xEnv)
+{
+    static const css::ucb::CommandInfo aCommandInfoTable[] =
+    {
+        // Required commands
+        css::ucb::CommandInfo
+        ( "getCommandInfo",
+          -1, cppu::UnoType<void>::get() ),
+        css::ucb::CommandInfo
+        ( "getPropertySetInfo",
+          -1, cppu::UnoType<void>::get() ),
+        css::ucb::CommandInfo
+        ( "getPropertyValues",
+          -1, cppu::UnoType<css::uno::Sequence< css::beans::Property >>::get() ),
+        css::ucb::CommandInfo
+        ( "setPropertyValues",
+          -1, cppu::UnoType<css::uno::Sequence< css::beans::PropertyValue >>::get() ),
+
+        // Optional standard commands
+        css::ucb::CommandInfo
+        ( "delete",
+          -1, cppu::UnoType<bool>::get() ),
+        css::ucb::CommandInfo
+        ( "insert",
+          -1, cppu::UnoType<css::ucb::InsertCommandArgument>::get() ),
+        css::ucb::CommandInfo
+        ( "open",
+          -1, cppu::UnoType<css::ucb::OpenCommandArgument2>::get() ),
+
+        // Folder Only, omitted if not a folder
+        css::ucb::CommandInfo
+        ( "transfer",
+          -1, cppu::UnoType<css::ucb::TransferInfo>::get() ),
+        css::ucb::CommandInfo
+        ( "createNewContent",
+          -1, cppu::UnoType<css::ucb::ContentInfo>::get() )
+    };
+
+    const int nProps = SAL_N_ELEMENTS(aCommandInfoTable);
+    return css::uno::Sequence< css::ucb::CommandInfo >(aCommandInfoTable, isFolder(xEnv) ? nProps : nProps - 2);
+}
+
+XTYPEPROVIDER_COMMON_IMPL( Content );
+
+void SAL_CALL Content::acquire() throw()
+{
+    ContentImplHelper::acquire();
+}
+
+void SAL_CALL Content::release() throw()
+{
+    ContentImplHelper::release();
+}
+
+css::uno::Any SAL_CALL Content::queryInterface( const css::uno::Type & rType )
+{
+    css::uno::Any aRet = cppu::queryInterface( rType, static_cast< css::ucb::XContentCreator * >( this ) );
+    return aRet.hasValue() ? aRet : ContentImplHelper::queryInterface(rType);
+}
+
+OUString SAL_CALL Content::getImplementationName()
+{
+       return "com.sun.star.comp.GIOContent";
+}
+
+css::uno::Sequence< OUString > SAL_CALL Content::getSupportedServiceNames()
+{
+       css::uno::Sequence<OUString> aSNS { "com.sun.star.ucb.GIOContent" };
+       return aSNS;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_content.hxx b/ucb/source/ucp/gio/gio_content.hxx
new file mode 100644
index 000000000..d912ddac2
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_content.hxx
@@ -0,0 +1,190 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_CONTENT_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_CONTENT_HXX
+
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/ucb/ContentCreationException.hpp>
+#include <com/sun/star/ucb/OpenCommandArgument2.hpp>
+#include <com/sun/star/ucb/TransferInfo.hpp>
+#include <com/sun/star/ucb/XContentCreator.hpp>
+#include <ucbhelper/contenthelper.hxx>
+#include <gio/gio.h>
+
+#include <vector>
+
+namespace com::sun::star {
+    namespace beans {
+        struct Property;
+        struct PropertyValue;
+    }
+    namespace sdbc {
+        class XRow;
+    }
+}
+namespace ucbhelper
+{
+    class Content;
+}
+
+
+namespace gio
+{
+
+
+#define GIO_FILE_TYPE   "application/vnd.sun.staroffice.gio-file"
+#define GIO_FOLDER_TYPE "application/vnd.sun.staroffice.gio-folder"
+
+css::uno::Any convertToException(GError *pError,
+    const css::uno::Reference< css::uno::XInterface >& rContext, bool bThrow=true);
+/// @throws css::io::IOException
+/// @throws css::uno::RuntimeException
+void convertToIOException(GError *pError,
+    const css::uno::Reference< css::uno::XInterface >& rContext);
+
+class ContentProvider;
+class Content : public ::ucbhelper::ContentImplHelper, public css::ucb::XContentCreator
+{
+private:
+    ContentProvider  *m_pProvider;
+    GFile* mpFile;
+    GFileInfo *mpInfo;
+    bool mbTransient;
+
+    GFileInfo *getGFileInfo(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv,
+        GError **ppError=nullptr);
+    bool isFolder(const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv);
+
+    css::uno::Any mapGIOError( GError *error );
+    css::uno::Any getBadArgExcept();
+
+    css::uno::Reference< css::sdbc::XRow >
+        getPropertyValues(
+            const css::uno::Sequence< css::beans::Property >& rProperties,
+            const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv );
+private:
+    typedef rtl::Reference< Content > ContentRef;
+    typedef std::vector< ContentRef > ContentRefList;
+
+    void queryChildren( ContentRefList& rChildren );
+
+    bool doSetFileInfo ( GFileInfo *pNewInfo );
+
+    /// @throws css::uno::Exception
+    css::uno::Any open(const css::ucb::OpenCommandArgument2 & rArg,
+        const css::uno::Reference< css::ucb::XCommandEnvironment > & xEnv );
+
+    /// @throws css::uno::Exception
+    void transfer( const css::ucb::TransferInfo& rTransferInfo,
+        const css::uno::Reference< css::ucb::XCommandEnvironment > & xEnv );
+
+    /// @throws css::uno::Exception
+    void insert( const css::uno::Reference< css::io::XInputStream > & xInputStream,
+        bool bReplaceExisting, const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv );
+
+    /// @throws css::uno::Exception
+    void destroy( bool bDeletePhysical );
+
+    static void copyData( const css::uno::Reference< css::io::XInputStream >& xIn,
+        const css::uno::Reference< css::io::XOutputStream >& xOut );
+
+    css::uno::Sequence< css::uno::Any >
+        setPropertyValues( const css::uno::Sequence<
+            css::beans::PropertyValue >& rValues,
+            const css::uno::Reference<
+            css::ucb::XCommandEnvironment >& xEnv );
+
+    bool feedSink( const css::uno::Reference< css::uno::XInterface>& aSink );
+
+    bool exchangeIdentity(const css::uno::Reference< css::ucb::XContentIdentifier >&  xNewId);
+
+    void getFileInfo(
+        css::uno::Reference<css::ucb::XCommandEnvironment> const & env, GFileInfo ** info,
+        bool fail);
+
+public:
+    /// @throws css::ucb::ContentCreationException
+    Content( const css::uno::Reference<
+        css::uno::XComponentContext >& rxContext, ContentProvider *pProvider,
+        const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier);
+
+    /// @throws css::ucb::ContentCreationException
+    Content( const css::uno::Reference<
+        css::uno::XComponentContext >& rxContext, ContentProvider *pProvider,
+        const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier,
+        bool bIsFolder);
+
+    virtual ~Content() override;
+
+    virtual css::uno::Sequence< css::beans::Property >
+        getProperties( const css::uno::Reference<
+            css::ucb::XCommandEnvironment > & xEnv ) override;
+
+    virtual css::uno::Sequence< css::ucb::CommandInfo >
+        getCommands( const css::uno::Reference<
+            css::ucb::XCommandEnvironment > & xEnv ) override;
+
+    virtual OUString getParentURL() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+    virtual void SAL_CALL acquire()
+        throw() override;
+    virtual void SAL_CALL release()
+        throw() override;
+
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+
+    virtual OUString SAL_CALL
+    getImplementationName() override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+    getSupportedServiceNames() override;
+
+    virtual OUString SAL_CALL
+    getContentType() override;
+
+    virtual css::uno::Any SAL_CALL
+        execute( const css::ucb::Command& aCommand,
+        sal_Int32 CommandId,
+        const css::uno::Reference< css::ucb::XCommandEnvironment >& Environment ) override;
+
+    virtual void SAL_CALL abort( sal_Int32 CommandId ) override;
+
+    virtual css::uno::Sequence< css::ucb::ContentInfo >
+        SAL_CALL queryCreatableContentsInfo() override;
+    virtual css::uno::Reference< css::ucb::XContent >
+        SAL_CALL createNewContent( const css::ucb::ContentInfo& Info ) override;
+
+    /// @throws css::uno::RuntimeException
+    css::uno::Sequence< css::ucb::ContentInfo >
+        queryCreatableContentsInfo(
+        const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv);
+
+    GFile* getGFile();
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_datasupplier.cxx b/ucb/source/ucp/gio/gio_datasupplier.cxx
new file mode 100644
index 000000000..fd4335dc5
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_datasupplier.cxx
@@ -0,0 +1,256 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <ucbhelper/contentidentifier.hxx>
+#include <ucbhelper/providerhelper.hxx>
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include <com/sun/star/ucb/OpenMode.hpp>
+
+#include "gio_datasupplier.hxx"
+#include "gio_content.hxx"
+
+using namespace gio;
+
+namespace gio
+{
+
+DataSupplier::DataSupplier( const rtl::Reference< ::gio::Content >& rContent, sal_Int32 nOpenMode )
+    : mxContent(rContent), mnOpenMode(nOpenMode), mbCountFinal(false)
+{
+}
+
+bool DataSupplier::getData()
+{
+    if (mbCountFinal)
+        return true;
+
+    GFile *pFile = mxContent->getGFile();
+
+    GFileEnumerator* pEnumerator = g_file_enumerate_children(pFile, "*",
+        G_FILE_QUERY_INFO_NONE, nullptr, nullptr);
+
+    if (!pEnumerator)
+        return false;
+
+    GFileInfo *pInfo = nullptr;
+    while ((pInfo = g_file_enumerator_next_file (pEnumerator, nullptr, nullptr)))
+    {
+        switch ( mnOpenMode )
+        {
+            case css::ucb::OpenMode::FOLDERS:
+                if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_DIRECTORY)
+                    continue;
+                break;
+            case css::ucb::OpenMode::DOCUMENTS:
+                if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_REGULAR)
+                    continue;
+                break;
+            case css::ucb::OpenMode::ALL:
+            default:
+                break;
+        }
+
+        maResults.emplace_back( new ResultListEntry( pInfo ) );
+        g_object_unref(pInfo);
+    }
+
+    mbCountFinal = true;
+
+    g_file_enumerator_close(pEnumerator, nullptr, nullptr);
+    return true;
+}
+
+DataSupplier::~DataSupplier()
+{
+}
+
+OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
+{
+    if ( nIndex < maResults.size() )
+    {
+        OUString aId = maResults[ nIndex ]->aId;
+        if ( aId.getLength() )
+        {
+            // Already cached.
+            return aId;
+        }
+    }
+
+    if ( getResult( nIndex ) )
+    {
+        GFile *pFile = mxContent->getGFile();
+        char* parent = g_file_get_uri(pFile);
+        OUString aId = OUString::createFromAscii( parent );
+        g_free(parent);
+
+        char *escaped_name =
+            g_uri_escape_string( g_file_info_get_name(maResults[ nIndex ]->pInfo) , nullptr, false);
+
+        if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() )
+                aId += "/";
+
+        aId += OUString::createFromAscii( escaped_name );
+
+        g_free( escaped_name );
+
+        maResults[ nIndex ]->aId = aId;
+        return aId;
+    }
+
+    return OUString();
+}
+
+css::uno::Reference< css::ucb::XContentIdentifier > DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
+{
+    if ( nIndex < maResults.size() )
+    {
+        css::uno::Reference< css::ucb::XContentIdentifier > xId = maResults[ nIndex ]->xId;
+        if ( xId.is() )
+        {
+            // Already cached.
+            return xId;
+        }
+    }
+
+    OUString aId = queryContentIdentifierString( nIndex );
+    if ( aId.getLength() )
+    {
+        css::uno::Reference< css::ucb::XContentIdentifier > xId = new ucbhelper::ContentIdentifier( aId );
+        maResults[ nIndex ]->xId = xId;
+        return xId;
+    }
+
+    return css::uno::Reference< css::ucb::XContentIdentifier >();
+}
+
+css::uno::Reference< css::ucb::XContent > DataSupplier::queryContent( sal_uInt32 nIndex )
+{
+    if ( nIndex < maResults.size() )
+    {
+        css::uno::Reference< css::ucb::XContent > xContent = maResults[ nIndex ]->xContent;
+        if ( xContent.is() )
+        {
+            // Already cached.
+            return xContent;
+        }
+    }
+
+    css::uno::Reference< css::ucb::XContentIdentifier > xId = queryContentIdentifier( nIndex );
+    if ( xId.is() )
+    {
+        try
+        {
+            css::uno::Reference< css::ucb::XContent > xContent = mxContent->getProvider()->queryContent( xId );
+            maResults[ nIndex ]->xContent = xContent;
+            return xContent;
+        }
+        catch ( css::ucb::IllegalIdentifierException& )
+        {
+        }
+    }
+    return css::uno::Reference< css::ucb::XContent >();
+}
+
+bool DataSupplier::getResult( sal_uInt32 nIndex )
+{
+    if ( maResults.size() > nIndex ) // Result already present.
+        return true;
+
+    if ( getData() && maResults.size() > nIndex )
+        return true;
+
+    return false;
+}
+
+sal_uInt32 DataSupplier::totalCount()
+{
+    getData();
+    return maResults.size();
+}
+
+sal_uInt32 DataSupplier::currentCount()
+{
+    return maResults.size();
+}
+
+bool DataSupplier::isCountFinal()
+{
+    return mbCountFinal;
+}
+
+css::uno::Reference< css::sdbc::XRow > DataSupplier::queryPropertyValues( sal_uInt32 nIndex  )
+{
+    if ( nIndex < maResults.size() )
+    {
+        css::uno::Reference< css::sdbc::XRow > xRow = maResults[ nIndex ]->xRow;
+        if ( xRow.is() )
+        {
+            // Already cached.
+            return xRow;
+        }
+    }
+
+    if ( getResult( nIndex ) )
+    {
+        css::uno::Reference< css::ucb::XContent > xContent( queryContent( nIndex ) );
+        if ( xContent.is() )
+        {
+            try
+            {
+                css::uno::Reference< css::ucb::XCommandProcessor > xCmdProc(
+                    xContent, css::uno::UNO_QUERY_THROW );
+                sal_Int32 nCmdId( xCmdProc->createCommandIdentifier() );
+                css::ucb::Command aCmd;
+                aCmd.Name = "getPropertyValues";
+                aCmd.Handle = -1;
+                aCmd.Argument <<= getResultSet()->getProperties();
+                css::uno::Any aResult( xCmdProc->execute(
+                    aCmd, nCmdId, getResultSet()->getEnvironment() ) );
+                css::uno::Reference< css::sdbc::XRow > xRow;
+                if ( aResult >>= xRow )
+                {
+                    maResults[ nIndex ]->xRow = xRow;
+                    return xRow;
+                }
+            }
+            catch ( css::uno::Exception const & )
+            {
+            }
+        }
+    }
+    return css::uno::Reference< css::sdbc::XRow >();
+}
+
+void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
+{
+    if ( nIndex < maResults.size() )
+        maResults[ nIndex ]->xRow.clear();
+}
+
+void DataSupplier::close()
+{
+}
+
+void DataSupplier::validate()
+{
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_datasupplier.hxx b/ucb/source/ucp/gio/gio_datasupplier.hxx
new file mode 100644
index 000000000..a740af1a5
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_datasupplier.hxx
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_DATASUPPLIER_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_DATASUPPLIER_HXX
+
+#include <ucbhelper/resultset.hxx>
+#include "gio_content.hxx"
+#include <memory>
+#include <vector>
+
+namespace gio
+{
+
+class Content;
+
+struct ResultListEntry
+{
+    OUString aId;
+    css::uno::Reference< css::ucb::XContentIdentifier > xId;
+    css::uno::Reference< css::ucb::XContent > xContent;
+    css::uno::Reference< css::sdbc::XRow > xRow;
+    GFileInfo *pInfo;
+
+    explicit ResultListEntry( GFileInfo *pInInfo ) : pInfo(pInInfo)
+    {
+        g_object_ref( pInfo );
+    }
+
+    ~ResultListEntry()
+    {
+        g_object_unref( pInfo );
+    }
+};
+
+typedef std::vector< std::unique_ptr<ResultListEntry> > ResultList;
+
+class DataSupplier : public ucbhelper::ResultSetDataSupplier
+{
+private:
+    rtl::Reference< ::gio::Content > mxContent;
+    sal_Int32 mnOpenMode;
+    bool mbCountFinal;
+    bool getData();
+    ResultList maResults;
+public:
+    DataSupplier( const rtl::Reference< Content >& rContent, sal_Int32 nOpenMode );
+    virtual ~DataSupplier() override;
+
+    virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) override;
+    virtual css::uno::Reference< css::ucb::XContentIdentifier >
+        queryContentIdentifier( sal_uInt32 nIndex ) override;
+    virtual css::uno::Reference< css::ucb::XContent >
+        queryContent( sal_uInt32 nIndex ) override;
+
+    virtual bool getResult( sal_uInt32 nIndex ) override;
+
+    virtual sal_uInt32 totalCount() override;
+    virtual sal_uInt32 currentCount() override;
+    virtual bool isCountFinal() override;
+
+    virtual css::uno::Reference< css::sdbc::XRow >
+        queryPropertyValues( sal_uInt32 nIndex  ) override;
+    virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
+
+    virtual void close() override;
+
+    virtual void validate() override;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_inputstream.cxx b/ucb/source/ucp/gio/gio_inputstream.cxx
new file mode 100644
index 000000000..c6df4572b
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_inputstream.cxx
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/io/BufferSizeExceededException.hpp>
+#include <com/sun/star/io/NotConnectedException.hpp>
+
+#include "gio_inputstream.hxx"
+#include "gio_content.hxx"
+
+namespace gio
+{
+
+InputStream::InputStream(GFileInputStream *pStream): mpStream(pStream)
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+}
+
+InputStream::~InputStream()
+{
+    closeInput();
+}
+
+sal_Int32 SAL_CALL InputStream::available()
+{
+    return 0;
+}
+
+void SAL_CALL InputStream::closeInput()
+{
+    if (mpStream)
+        g_input_stream_close(G_INPUT_STREAM(mpStream), nullptr, nullptr);
+}
+
+void SAL_CALL InputStream::skipBytes( sal_Int32 nBytesToSkip )
+{
+    // Conservatively call readBytes and discard the read data, but given this
+    // InputStream will always be wrapped in comphelper::OSeekableInputWrapper,
+    // this function will never be called anyway:
+    css::uno::Sequence<sal_Int8> data;
+    readBytes(data, nBytesToSkip);
+}
+
+sal_Int32 SAL_CALL InputStream::readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    try
+    {
+        aData.realloc( nBytesToRead );
+    }
+    catch ( const css::uno::Exception & )
+    {
+        throw css::io::BufferSizeExceededException();
+    }
+
+    gsize nBytesRead = 0;
+    GError *pError=nullptr;
+    if (!g_input_stream_read_all(G_INPUT_STREAM(mpStream), aData.getArray(), nBytesToRead, &nBytesRead, nullptr, &pError))
+        convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+    aData.realloc(nBytesRead);
+    return nBytesRead;
+}
+
+sal_Int32 SAL_CALL InputStream::readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
+{
+    return readBytes(aData, nMaxBytesToRead);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_inputstream.hxx b/ucb/source/ucp/gio/gio_inputstream.hxx
new file mode 100644
index 000000000..687041add
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_inputstream.hxx
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_INPUTSTREAM_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_INPUTSTREAM_HXX
+
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <cppuhelper/implbase.hxx>
+
+#include <com/sun/star/io/XInputStream.hpp>
+
+#include <gio/gio.h>
+
+namespace gio
+{
+
+class InputStream final : public cppu::WeakImplHelper<css::io::XInputStream>
+{
+private:
+    GFileInputStream *mpStream;
+
+public:
+    explicit InputStream ( GFileInputStream *pStream );
+    virtual ~InputStream() override;
+
+    // XInputStream
+    virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 > & aData,
+        sal_Int32 nBytesToRead ) override;
+
+    virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 > & aData,
+        sal_Int32 nMaxBytesToRead ) override;
+
+    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
+
+    virtual sal_Int32 SAL_CALL available() override;
+
+    virtual void SAL_CALL closeInput() override;
+};
+
+} // namespace gio
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_mount.cxx b/ucb/source/ucp/gio/gio_mount.cxx
new file mode 100644
index 000000000..b78817c67
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_mount.cxx
@@ -0,0 +1,210 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <utility>
+
+#include "gio_mount.hxx"
+#include <ucbhelper/simpleauthenticationrequest.hxx>
+#include <string.h>
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-function"
+#if defined __clang__
+#if __has_warning("-Wdeprecated-volatile")
+#pragma clang diagnostic ignored "-Wdeprecated-volatile"
+#endif
+#endif
+#endif
+G_DEFINE_TYPE (OOoMountOperation, ooo_mount_operation, G_TYPE_MOUNT_OPERATION);
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+static void ooo_mount_operation_ask_password (GMountOperation   *op,
+    const char *message, const char *default_user, const char *default_domain,
+    GAskPasswordFlags flags);
+
+static void ooo_mount_operation_init (OOoMountOperation *op)
+{
+    op->m_pPrevPassword = nullptr;
+    op->m_pPrevUsername = nullptr;
+}
+
+static void ooo_mount_operation_finalize (GObject *object)
+{
+    OOoMountOperation *mount_op = OOO_MOUNT_OPERATION (object);
+    if (mount_op->m_pPrevUsername)
+        free(mount_op->m_pPrevUsername);
+    if (mount_op->m_pPrevPassword)
+        free(mount_op->m_pPrevPassword);
+    mount_op->context.reset();
+
+    G_OBJECT_CLASS (ooo_mount_operation_parent_class)->finalize (object);
+}
+
+static void ooo_mount_operation_class_init (OOoMountOperationClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+    object_class->finalize = ooo_mount_operation_finalize;
+
+    GMountOperationClass *mount_op_class = G_MOUNT_OPERATION_CLASS (klass);
+    mount_op_class->ask_password = ooo_mount_operation_ask_password;
+}
+
+namespace {
+
+// Temporarily undo the g_main_context_push_thread_default done in the surrounding MountOperation
+// ctor (in ucb/source/ucp/gio/gio_content.cxx):
+struct GlibThreadDefaultMainContextScope {
+public:
+    GlibThreadDefaultMainContextScope(GMainContext * context): context_(context)
+    { g_main_context_push_thread_default(context_); }
+
+    ~GlibThreadDefaultMainContextScope() { g_main_context_pop_thread_default(context_); }
+
+private:
+    GMainContext * context_;
+};
+
+}
+
+static void ooo_mount_operation_ask_password (GMountOperation *op,
+    const char * /*message*/, const char *default_user,
+    const char *default_domain, GAskPasswordFlags flags)
+{
+    css::uno::Reference< css::task::XInteractionHandler > xIH;
+
+    OOoMountOperation *pThis = reinterpret_cast<OOoMountOperation*>(op);
+    GlibThreadDefaultMainContextScope scope(pThis->context.get());
+
+    const css::uno::Reference< css::ucb::XCommandEnvironment > &xEnv = *(pThis->pEnv);
+
+    if (xEnv.is())
+      xIH = xEnv->getInteractionHandler();
+
+    if (!xIH.is())
+    {
+        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
+        return;
+    }
+
+    OUString aDomain, aUserName, aPassword;
+
+    ucbhelper::SimpleAuthenticationRequest::EntityType eUserName =
+        (flags & G_ASK_PASSWORD_NEED_USERNAME)
+          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
+          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;
+
+    if (default_user)
+        aUserName = OUString(default_user, strlen(default_user), RTL_TEXTENCODING_UTF8);
+
+    ucbhelper::SimpleAuthenticationRequest::EntityType ePassword =
+        (flags & G_ASK_PASSWORD_NEED_PASSWORD)
+          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
+          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;
+
+    OUString aPrevPassword, aPrevUsername;
+    if (pThis->m_pPrevUsername)
+        aPrevUsername = OUString(pThis->m_pPrevUsername, strlen(pThis->m_pPrevUsername), RTL_TEXTENCODING_UTF8);
+    if (pThis->m_pPrevPassword)
+        aPrevPassword = OUString(pThis->m_pPrevPassword, strlen(pThis->m_pPrevPassword), RTL_TEXTENCODING_UTF8);
+
+    //The damn dialog is stupidly broken, so do like webdav, i.e. "#102871#"
+    if ( aUserName.isEmpty() )
+        aUserName = aPrevUsername;
+
+    if ( aPassword.isEmpty() )
+        aPassword = aPrevPassword;
+
+    ucbhelper::SimpleAuthenticationRequest::EntityType eDomain =
+        (flags & G_ASK_PASSWORD_NEED_DOMAIN)
+          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
+          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;
+
+    if (default_domain)
+        aDomain = OUString(default_domain, strlen(default_domain), RTL_TEXTENCODING_UTF8);
+
+    rtl::Reference< ucbhelper::SimpleAuthenticationRequest > xRequest
+        = new ucbhelper::SimpleAuthenticationRequest (OUString() /* FIXME: provide URL here */, OUString(), eDomain, aDomain, eUserName, aUserName, ePassword, aPassword);
+
+    xIH->handle( xRequest.get() );
+
+    rtl::Reference< ucbhelper::InteractionContinuation > xSelection = xRequest->getSelection();
+
+    if ( !xSelection.is() )
+    {
+        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
+        return;
+    }
+
+    css::uno::Reference< css::task::XInteractionAbort > xAbort(xSelection.get(), css::uno::UNO_QUERY );
+    if ( xAbort.is() )
+    {
+        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
+        return;
+    }
+
+    const rtl::Reference< ucbhelper::InteractionSupplyAuthentication > & xSupp = xRequest->getAuthenticationSupplier();
+    aUserName = xSupp->getUserName();
+    aPassword = xSupp->getPassword();
+
+    if (flags & G_ASK_PASSWORD_NEED_USERNAME)
+        g_mount_operation_set_username(op, OUStringToOString(aUserName, RTL_TEXTENCODING_UTF8).getStr());
+
+    if (flags & G_ASK_PASSWORD_NEED_PASSWORD)
+        g_mount_operation_set_password(op, OUStringToOString(aPassword, RTL_TEXTENCODING_UTF8).getStr());
+
+    if (flags & G_ASK_PASSWORD_NEED_DOMAIN)
+        g_mount_operation_set_domain(op, OUStringToOString(xSupp->getRealm(), RTL_TEXTENCODING_UTF8).getStr());
+
+    switch (xSupp->getRememberPasswordMode())
+    {
+    default:
+        case css::ucb::RememberAuthentication_NO:
+            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_NEVER);
+            break;
+        case css::ucb::RememberAuthentication_SESSION:
+            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_FOR_SESSION);
+            break;
+        case css::ucb::RememberAuthentication_PERSISTENT:
+            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_PERMANENTLY);
+            break;
+    }
+
+    if (pThis->m_pPrevPassword)
+        free(pThis->m_pPrevPassword);
+    pThis->m_pPrevPassword = strdup(OUStringToOString(aPassword, RTL_TEXTENCODING_UTF8).getStr());
+    if (pThis->m_pPrevUsername)
+        free(pThis->m_pPrevUsername);
+    pThis->m_pPrevUsername = strdup(OUStringToOString(aUserName, RTL_TEXTENCODING_UTF8).getStr());
+    g_mount_operation_reply (op, G_MOUNT_OPERATION_HANDLED);
+}
+
+GMountOperation *ooo_mount_operation_new(ucb::ucp::gio::glib::MainContextRef && context, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv)
+{
+    OOoMountOperation *pRet = static_cast<OOoMountOperation*>(g_object_new (OOO_TYPE_MOUNT_OPERATION, nullptr));
+    pRet->context = std::move(context);
+    pRet->pEnv = &rEnv;
+    return &pRet->parent_instance;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_mount.hxx b/ucb/source/ucp/gio/gio_mount.hxx
new file mode 100644
index 000000000..421f7b7d3
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_mount.hxx
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_MOUNT_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_MOUNT_HXX
+
+#include <sal/config.h>
+
+#include <memory>
+
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define OOO_TYPE_MOUNT_OPERATION         (ooo_mount_operation_get_type ())
+#define OOO_MOUNT_OPERATION(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), OOO_TYPE_MOUNT_OPERATION, OOoMountOperation))
+#define OOO_MOUNT_OPERATION_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), OOO_TYPE_MOUNT_OPERATION, OOoMountOperationClass))
+#define OOO_IS_MOUNT_OPERATION(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), OOO_TYPE_MOUNT_OPERATION))
+#define OOO_IS_MOUNT_OPERATION_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), OOO_TYPE_MOUNT_OPERATION))
+#define OOO_MOUNT_OPERATION_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), OOO_TYPE_MOUNT_OPERATION, OOoMountOperationClass))
+
+namespace ucb::ucp::gio::glib {
+
+namespace detail {
+
+struct MainContextUnref {
+    void operator ()(GMainContext * context) {
+        if (context != nullptr) {
+            g_main_context_unref(context);
+        }
+    }
+};
+
+}
+
+using MainContextRef = std::unique_ptr<GMainContext, detail::MainContextUnref>;
+
+}
+
+struct OOoMountOperation
+{
+    GMountOperation parent_instance;
+
+    ucb::ucp::gio::glib::MainContextRef context;
+    const css::uno::Reference< css::ucb::XCommandEnvironment > *pEnv;
+    char *m_pPrevUsername;
+    char *m_pPrevPassword;
+
+private:
+    // Managed via ooo_mount_operation_new and ooo_mount_operation_finalize:
+    OOoMountOperation() = delete;
+    ~OOoMountOperation() = delete;
+};
+
+struct OOoMountOperationClass
+{
+    GMountOperationClass parent_class;
+
+    /* Padding for future expansion */
+    void (*_gtk_reserved1) (void);
+    void (*_gtk_reserved2) (void);
+    void (*_gtk_reserved3) (void);
+    void (*_gtk_reserved4) (void);
+};
+
+
+GType            ooo_mount_operation_get_type();
+GMountOperation *ooo_mount_operation_new(ucb::ucp::gio::glib::MainContextRef && context, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv);
+
+G_END_DECLS
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_outputstream.cxx b/ucb/source/ucp/gio/gio_outputstream.cxx
new file mode 100644
index 000000000..1f334f4df
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_outputstream.cxx
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/io/NotConnectedException.hpp>
+#include <cppuhelper/queryinterface.hxx>
+
+#include "gio_outputstream.hxx"
+#include "gio_content.hxx"
+
+namespace gio
+{
+
+OutputStream::OutputStream(GFileOutputStream *pStream) : Seekable(G_SEEKABLE(pStream)), mpStream(pStream)
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+}
+
+OutputStream::~OutputStream()
+{
+    closeOutput();
+}
+
+void SAL_CALL OutputStream::writeBytes( const css::uno::Sequence< sal_Int8 >& rData )
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    GError *pError=nullptr;
+    if (!g_output_stream_write_all(G_OUTPUT_STREAM(mpStream), rData.getConstArray(), rData.getLength(), nullptr, nullptr, &pError))
+        convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+void SAL_CALL OutputStream::flush()
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    GError *pError=nullptr;
+    if (!g_output_stream_flush(G_OUTPUT_STREAM(mpStream), nullptr, &pError))
+        convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+void SAL_CALL OutputStream::closeOutput()
+{
+    if (mpStream)
+        g_output_stream_close(G_OUTPUT_STREAM(mpStream), nullptr, nullptr);
+}
+
+css::uno::Any OutputStream::queryInterface( const css::uno::Type &type )
+{
+    css::uno::Any aRet = ::cppu::queryInterface ( type,
+        static_cast< XOutputStream * >( this ) );
+
+    return aRet.hasValue() ? aRet : Seekable::queryInterface( type );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_outputstream.hxx b/ucb/source/ucp/gio/gio_outputstream.hxx
new file mode 100644
index 000000000..6bf03ce96
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_outputstream.hxx
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_OUTPUTSTREAM_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_OUTPUTSTREAM_HXX
+
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <cppuhelper/weak.hxx>
+
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/io/XTruncate.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+
+#include "gio_seekable.hxx"
+
+namespace gio
+{
+
+class OutputStream final :
+    public css::io::XOutputStream,
+    public Seekable
+{
+private:
+    GFileOutputStream *mpStream;
+
+public:
+    explicit OutputStream ( GFileOutputStream *pStream );
+    virtual ~OutputStream() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type & type ) override;
+    virtual void SAL_CALL acquire() throw () override { OWeakObject::acquire(); }
+    virtual void SAL_CALL release() throw() override { OWeakObject::release(); }
+
+    // XOutputStream
+   virtual void SAL_CALL writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
+
+   virtual void SAL_CALL flush() override;
+
+
+    virtual void SAL_CALL closeOutput() override;
+};
+
+} // namespace gio
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_provider.cxx b/ucb/source/ucp/gio/gio_provider.cxx
new file mode 100644
index 000000000..92302c2ca
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_provider.cxx
@@ -0,0 +1,156 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/log.hxx>
+#include <ucbhelper/contenthelper.hxx>
+#include <ucbhelper/getcomponentcontext.hxx>
+#include <ucbhelper/macros.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <com/sun/star/ucb/ContentCreationException.hpp>
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include "gio_provider.hxx"
+#include "gio_content.hxx"
+
+namespace gio
+{
+css::uno::Reference< css::ucb::XContent > SAL_CALL
+ContentProvider::queryContent(
+            const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier )
+{
+    SAL_INFO("ucb.ucp.gio", "QueryContent: " << Identifier->getContentIdentifier());
+    osl::MutexGuard aGuard( m_aMutex );
+
+    // Check, if a content with given id already exists...
+    css::uno::Reference< css::ucb::XContent > xContent = queryExistingContent( Identifier ).get();
+    if ( xContent.is() )
+        return xContent;
+
+    try
+    {
+        xContent = new ::gio::Content(m_xContext, this, Identifier);
+    }
+    catch ( css::ucb::ContentCreationException const & )
+    {
+        throw css::ucb::IllegalIdentifierException();
+    }
+
+    if ( !xContent->getIdentifier().is() )
+        throw css::ucb::IllegalIdentifierException();
+
+    return xContent;
+}
+
+ContentProvider::ContentProvider(
+    const css::uno::Reference< css::uno::XComponentContext >& rxContext )
+: ::ucbhelper::ContentProviderImplHelper( rxContext )
+{
+}
+
+ContentProvider::~ContentProvider()
+{
+}
+
+// XInterface
+void SAL_CALL ContentProvider::acquire()
+    throw()
+{
+    OWeakObject::acquire();
+}
+
+void SAL_CALL ContentProvider::release()
+    throw()
+{
+    OWeakObject::release();
+}
+
+css::uno::Any SAL_CALL ContentProvider::queryInterface( const css::uno::Type & rType )
+{
+    css::uno::Any aRet = cppu::queryInterface( rType,
+                                               static_cast< css::lang::XTypeProvider* >(this),
+                                               static_cast< css::lang::XServiceInfo* >(this),
+                                               static_cast< css::ucb::XContentProvider* >(this)
+                                               );
+    return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
+}
+
+XTYPEPROVIDER_IMPL_3( ContentProvider,
+                      css::lang::XTypeProvider,
+                      css::lang::XServiceInfo,
+                      css::ucb::XContentProvider );
+
+XSERVICEINFO_COMMOM_IMPL( ContentProvider,
+                          "com.sun.star.comp.GIOContentProvider" )
+/// @throws css::uno::Exception
+static css::uno::Reference< css::uno::XInterface >
+ContentProvider_CreateInstance( const css::uno::Reference< css::lang::XMultiServiceFactory> & rSMgr )
+{
+    css::lang::XServiceInfo* pX = new ContentProvider( ucbhelper::getComponentContext(rSMgr) );
+    return css::uno::Reference< css::uno::XInterface >::query( pX );
+}
+
+css::uno::Sequence< OUString >
+ContentProvider::getSupportedServiceNames_Static()
+{
+    css::uno::Sequence< OUString > aSNS { "com.sun.star.ucb.GIOContentProvider" };
+    return aSNS;
+}
+
+ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
+
+}
+
+// gio creates threads we don't want in online's forkit
+static bool isDisabled()
+{
+    const char *pDisable = getenv("UNODISABLELIBRARY");
+    if (!pDisable)
+        return false;
+    OString aDisable(pDisable, strlen(pDisable));
+    return aDisable.indexOf("ucpgio1") >= 0;
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT void * ucpgio1_component_getFactory( const char *pImplName,
+    void *pServiceManager, void * )
+{
+    void * pRet = nullptr;
+
+    static bool bDisabled = isDisabled();
+    if (bDisabled)
+        return nullptr;
+
+    css::uno::Reference< css::lang::XMultiServiceFactory > xSMgr
+        (static_cast< css::lang::XMultiServiceFactory * >( pServiceManager ) );
+    css::uno::Reference< css::lang::XSingleServiceFactory > xFactory;
+
+#if !GLIB_CHECK_VERSION(2,36,0)
+    g_type_init();
+#endif
+    if ( ::gio::ContentProvider::getImplementationName_Static().equalsAscii( pImplName ) )
+        xFactory = ::gio::ContentProvider::createServiceFactory( xSMgr );
+
+    if ( xFactory.is() )
+    {
+        xFactory->acquire();
+        pRet = xFactory.get();
+    }
+
+    return pRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_provider.hxx b/ucb/source/ucp/gio/gio_provider.hxx
new file mode 100644
index 000000000..6bdb127ac
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_provider.hxx
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_PROVIDER_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_PROVIDER_HXX
+
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <ucbhelper/providerhelper.hxx>
+
+
+namespace gio
+{
+
+class ContentProvider : public ::ucbhelper::ContentProviderImplHelper
+{
+public:
+    explicit ContentProvider( const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+    virtual ~ContentProvider() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+    virtual void SAL_CALL acquire()
+        throw() override;
+    virtual void SAL_CALL release()
+        throw() override;
+
+    // XTypeProvider
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    static OUString getImplementationName_Static();
+    static css::uno::Sequence< OUString > getSupportedServiceNames_Static();
+
+    static css::uno::Reference< css::lang::XSingleServiceFactory >
+    createServiceFactory( const css::uno::Reference<
+                          css::lang::XMultiServiceFactory >& rxServiceMgr );
+
+    // XContentProvider
+    virtual css::uno::Reference< css::ucb::XContent > SAL_CALL
+    queryContent( const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier ) override;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_resultset.cxx b/ucb/source/ucp/gio/gio_resultset.cxx
new file mode 100644
index 000000000..ee836bd0e
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_resultset.cxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "gio_datasupplier.hxx"
+#include "gio_resultset.hxx"
+
+using namespace com::sun::star::lang;
+using namespace com::sun::star::ucb;
+using namespace com::sun::star::uno;
+
+using namespace gio;
+
+DynamicResultSet::DynamicResultSet(
+    const Reference< XComponentContext >& rxContext,
+    const rtl::Reference< Content >& rxContent,
+    const OpenCommandArgument2& rCommand,
+    const Reference< XCommandEnvironment >& rxEnv )
+    : ResultSetImplHelper( rxContext, rCommand ),
+      m_xContent( rxContent ),
+      m_xEnv( rxEnv )
+{
+}
+
+void DynamicResultSet::initStatic()
+{
+    m_xResultSet1 = new ::ucbhelper::ResultSet(
+        m_xContext, m_aCommand.Properties,
+        new DataSupplier( m_xContent, m_aCommand.Mode ), m_xEnv );
+}
+
+void DynamicResultSet::initDynamic()
+{
+    initStatic();
+    m_xResultSet2 = m_xResultSet1;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_resultset.hxx b/ucb/source/ucp/gio/gio_resultset.hxx
new file mode 100644
index 000000000..99dc6c6c6
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_resultset.hxx
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_RESULTSET_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_RESULTSET_HXX
+
+#include <ucbhelper/resultsethelper.hxx>
+#include "gio_content.hxx"
+
+namespace gio
+{
+
+    class DynamicResultSet : public ::ucbhelper::ResultSetImplHelper
+    {
+        rtl::Reference< Content > m_xContent;
+        css::uno::Reference< css::ucb::XCommandEnvironment > m_xEnv;
+
+    private:
+       virtual void initStatic() override;
+        virtual void initDynamic() override;
+
+    public:
+        DynamicResultSet(
+            const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+            const rtl::Reference< Content >& rxContent,
+            const css::ucb::OpenCommandArgument2& rCommand,
+            const css::uno::Reference< css::ucb::XCommandEnvironment >& rxEnv );
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_seekable.cxx b/ucb/source/ucp/gio/gio_seekable.cxx
new file mode 100644
index 000000000..1f1da5948
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_seekable.cxx
@@ -0,0 +1,126 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/NotConnectedException.hpp>
+#include <cppuhelper/queryinterface.hxx>
+
+#include "gio_seekable.hxx"
+#include "gio_content.hxx"
+
+namespace gio
+{
+
+Seekable::Seekable(GSeekable *pStream) : mpStream(pStream)
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+}
+
+Seekable::~Seekable()
+{
+}
+
+void SAL_CALL Seekable::truncate()
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    if (!g_seekable_can_truncate(mpStream))
+        throw css::io::IOException("Truncate unsupported",
+            static_cast< cppu::OWeakObject * >(this));
+
+    GError *pError=nullptr;
+    if (!g_seekable_truncate(mpStream, 0, nullptr, &pError))
+        convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+void SAL_CALL Seekable::seek( sal_Int64 location )
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    if (!g_seekable_can_seek(mpStream))
+        throw css::io::IOException("Seek unsupported",
+            static_cast< cppu::OWeakObject * >(this));
+
+    GError *pError=nullptr;
+    if (!g_seekable_seek(mpStream, location, G_SEEK_SET, nullptr, &pError))
+        convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+}
+
+sal_Int64 SAL_CALL Seekable::getPosition()
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    return g_seekable_tell(mpStream);
+}
+
+sal_Int64 SAL_CALL Seekable::getLength()
+{
+    if (!mpStream)
+        throw css::io::NotConnectedException();
+
+    bool bOk = false;
+    sal_uInt64 nSize = 0;
+
+    GFileInfo* pInfo = G_IS_FILE_INPUT_STREAM(mpStream)
+        ? g_file_input_stream_query_info(G_FILE_INPUT_STREAM(mpStream), G_FILE_ATTRIBUTE_STANDARD_SIZE, nullptr, nullptr)
+        : g_file_output_stream_query_info(G_FILE_OUTPUT_STREAM(mpStream), G_FILE_ATTRIBUTE_STANDARD_SIZE, nullptr, nullptr);
+
+    if (pInfo)
+    {
+        if (g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_SIZE))
+        {
+            nSize = g_file_info_get_size(pInfo);
+            bOk = true;
+        }
+        g_object_unref(pInfo);
+    }
+
+    if (!bOk)
+    {
+        GError *pError=nullptr;
+        sal_Int64 nCurr = getPosition();
+        if (!g_seekable_seek(mpStream, 0, G_SEEK_END, nullptr, &pError))
+            convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
+        nSize = getPosition();
+        seek(nCurr);
+    }
+
+    return nSize;
+}
+
+css::uno::Any Seekable::queryInterface( const css::uno::Type &type )
+{
+    css::uno::Any aRet = ::cppu::queryInterface ( type,
+        static_cast< XSeekable * >( this ) );
+
+    if (!aRet.hasValue() && g_seekable_can_truncate(mpStream))
+        aRet = ::cppu::queryInterface ( type, static_cast< XTruncate * >( this ) );
+
+    return aRet.hasValue() ? aRet : OWeakObject::queryInterface( type );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/gio_seekable.hxx b/ucb/source/ucp/gio/gio_seekable.hxx
new file mode 100644
index 000000000..0d3a62dcc
--- /dev/null
+++ b/ucb/source/ucp/gio/gio_seekable.hxx
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_UCB_SOURCE_UCP_GIO_GIO_SEEKABLE_HXX
+#define INCLUDED_UCB_SOURCE_UCP_GIO_GIO_SEEKABLE_HXX
+
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <cppuhelper/weak.hxx>
+
+#include <com/sun/star/io/XTruncate.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+
+#include <gio/gio.h>
+
+namespace gio
+{
+
+class Seekable : public css::io::XTruncate,
+    public css::io::XSeekable,
+    public ::cppu::OWeakObject
+{
+private:
+    GSeekable *mpStream;
+public:
+    explicit Seekable( GSeekable *pStream );
+    virtual ~Seekable() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type & type ) override;
+    virtual void SAL_CALL acquire() throw () override { OWeakObject::acquire(); }
+    virtual void SAL_CALL release() throw() override { OWeakObject::release(); }
+
+    // XSeekable
+    virtual void SAL_CALL seek( sal_Int64 location ) override;
+
+    virtual sal_Int64 SAL_CALL getPosition() override;
+
+    virtual sal_Int64 SAL_CALL getLength() override;
+
+    // XTruncate
+    virtual void SAL_CALL truncate() override;
+};
+
+} // namespace gio
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/gio/ucpgio.component b/ucb/source/ucp/gio/ucpgio.component
new file mode 100644
index 000000000..9fccd965d
--- /dev/null
+++ b/ucb/source/ucp/gio/ucpgio.component
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+    prefix="ucpgio1" xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="com.sun.star.comp.GIOContentProvider">
+    <service name="com.sun.star.ucb.GIOContentProvider"/>
+  </implementation>
+</component>